§ 13.12.160. Dual check valve

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Dual check valves may be installed at the meter. These valves shall be inspected and repaired not less frequent than every third year. These valves shall be installed only in situations where the city building inspector is assured that only noncontaminating substances are subject to backflow into the potable system.

(Ord. 8909 § 4(d), 1989)

                    
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